SMTP Server Times Out for 1 of 2 ISPs

Posted by Jonathan Sampson on Super User See other posts from Super User or by Jonathan Sampson
Published on 2010-03-23T02:28:03Z Indexed on 2010/03/23 2:31 UTC
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smtp

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att

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email

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sprint

For months I've been using a 5g sprint card for my laptop to check email. I have gmail, and three other accounts all configured in Thunderbird. Recently, I got AT&T internet service at my house and I discovered that I cannot send email when connected to my home service. I can receive just fine, but I can't send. If I plugin my 5g card, I can sent/receive with no problems.

At home I'm connected wirelessly through a router. What could be causing this interruption? I even tried pinging my smtp server only to see it timeout when connected via AT&T. If more details are needed, I'll be happy to share.

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